/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f7f6;
}

.container img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Header */
header {
    background: #1a1a2e;
    color: #fff;
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.6rem;
    cursor: pointer;
    padding: 6px 10px;
}

.logo-img {
    height: 24px;
    width: auto;
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a:hover {
    color: #e94560;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #16213e 0%, #0f3460 100%);
    color: #fff;
    text-align: center;
    padding: 100px 0;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: #e94560;
    color: #fff;
}

.btn-primary:hover {
    background-color: #c72c41;
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid #fff;
    color: #fff;
}

.btn-secondary:hover {
    background-color: #fff;
    color: #16213e;
}

.small-text {
    font-size: 0.8rem;
    opacity: 0.7;
}

.hero-media {
    margin-top: 30px;
    display: flex;
    justify-content: center;
}

.hero-image {
    max-width: 900px;
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

/* Features */
.features {
    padding: 80px 0;
    background: #fff;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #1a1a2e;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    margin-bottom: 15px;
    color: #0f3460;
}

/* Pricing */
.pricing {
    padding: 80px 0;
    background: #f4f7f6;
    text-align: center;
}

.pricing h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #1a1a2e;
}

.pricing-card {
    background: #fff;
    max-width: 400px;
    margin: 0 auto;
    padding: 50px;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-top: 5px solid #e94560;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 20px 0;
}

.price span {
    font-size: 1rem;
    color: #777;
    font-weight: 400;
}

.benefits {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.benefits li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.benefits li::before {
    content: "✓";
    color: #e94560;
    font-weight: bold;
    margin-right: 10px;
}

.btn-large {
    display: block;
    width: 100%;
    font-size: 1.1rem;
}

.crypto-note {
    margin-top: 15px;
    font-size: 0.85rem;
    color: #777;
}

/* Retrieve Section */
.retrieve {
    padding: 60px 0;
    background: #1a1a2e;
    color: #fff;
    text-align: center;
}

.retrieve h2 {
    margin-bottom: 20px;
}

.retrieve-form {
    display: flex;
    justify-content: center;
    gap: 10px;
    max-width: 500px;
    margin: 20px auto;
}

.retrieve-form input {
    flex: 1;
    padding: 12px;
    border-radius: 4px;
    border: none;
    outline: none;
}

#retrieve-message {
    margin-top: 15px;
    font-weight: bold;
    min-height: 24px;
}

.msg-success { color: #4caf50; }
.msg-error { color: #f44336; }

/* Footer */
footer {
    background: #16213e;
    color: #aaa;
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    border-bottom: 1px solid #2a2a4e;
    padding-bottom: 30px;
}

.footer-brand h4 {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.footer-contact a {
    color: #e94560;
}

.footer-bottom {
    text-align: center;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    header .container { gap: 10px; }
    .logo-img { height: 18px; }
    .nav-toggle { display: block; }
    header { padding: 8px 0; }
    nav ul {
        display: none;
        flex-direction: column;
        background: #0f3460;
        position: absolute;
        left: 20px;
        right: 20px;
        top: calc(100% + 8px);
        padding: 10px 12px;
        border-radius: 8px;
        box-shadow: 0 8px 20px rgba(0,0,0,0.25);
        z-index: 1001;
    }
    nav.open ul { display: flex; }
    .nav-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 900;
    }
    nav.open ~ .nav-backdrop { display: block; }
    .hero h1 { font-size: 2rem; }
    .hero { padding: 60px 0; }
    .hero-buttons { flex-direction: column; gap: 12px; }
    .hero-image { width: 100%; height: auto; max-height: 60vh; }
    .retrieve-form { flex-direction: column; }
    .footer-content { flex-direction: column; gap: 20px; text-align: center; }
}